diff options
author | Dale Johannesen <dalej@apple.com> | 2010-10-20 22:03:37 +0000 |
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committer | Dale Johannesen <dalej@apple.com> | 2010-10-20 22:03:37 +0000 |
commit | e4d31593c5b0693480e697d7aeb0a24edcf53870 (patch) | |
tree | 45b43fb0f43129f19471efe07b30a5513f150a62 | |
parent | 0b62f95ea81d8954c21a2ae54602be10e5e1bb7e (diff) |
Fix crash introduced in 116852. 8573915.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116955 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 5 | ||||
-rw-r--r-- | test/CodeGen/Thumb2/buildvector-crash.ll | 17 |
2 files changed, 20 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 39d66ad9af..c01a9ddb66 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -3457,8 +3457,9 @@ static SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG, Op.getOperand(i))); SDValue Val = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, &Ops[0], NumElts); - return DAG.getNode(ISD::BIT_CONVERT, dl, VT, - LowerBUILD_VECTOR(Val, DAG, ST)); + Val = LowerBUILD_VECTOR(Val, DAG, ST); + if (Val.getNode()) + return DAG.getNode(ISD::BIT_CONVERT, dl, VT, Val); } SDValue Val = IsSingleInstrConstant(Value, DAG, ST, dl); if (Val.getNode()) diff --git a/test/CodeGen/Thumb2/buildvector-crash.ll b/test/CodeGen/Thumb2/buildvector-crash.ll new file mode 100644 index 0000000000..01ef472d31 --- /dev/null +++ b/test/CodeGen/Thumb2/buildvector-crash.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -O3 -mtriple=thumbv7-apple-darwin10 -mcpu=cortex-a8 | FileCheck %s +; Formerly crashed, 3573915. + +define void @RotateStarsFP_Vec() nounwind { +bb.nph372: + br label %bb8 + +bb8: ; preds = %bb8, %bb.nph372 + %0 = fadd <4 x float> undef, <float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000> + %1 = fmul <4 x float> %0, undef + %2 = fmul <4 x float> %1, undef + %3 = fadd <4 x float> undef, %2 + store <4 x float> %3, <4 x float>* undef, align 4 + br label %bb8 +; CHECK: RotateStarsFP_Vec: +; CHECK: vldmia +} |